The 1975 Big Ten Conference football season was the 80th season of college football played by the member schools of the Big Ten Conference and was a part of the 1975 NCAA Division I football season. The 1975 Ohio State Buckeyes football team, under head coach Woody Hayes, compiled an 11–0 record in the regular season, won the Big Ten championship, led the conference in scoring offense (32.0 points per game) and scoring defense (8.5 points allowed per game), and lost to UCLA in the 1976 Rose Bowl. Running back Archie Griffin won the 1975 Heisman Trophy, becoming the only two-time Heisman winner. Quarterback Cornelius Greene won the Chicago Tribune Silver Football as the Big Ten's most valuable player, and Pete Johnson led the conference with 156 points scored. Griffin, defensive back Tim Fo